<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表格的基本语法</title>
</head>
<body>
<!--四行三列的表格-->
<table border="1">
    <thead>
    <tr>
        <th>1行一列头</th>
    </tr>
    </thead>
    <tr>
        <td>1</td>
        <td>2</td>
        <td>3</td>
    </tr>
    <tr>
        <td>4</td>
        <td>5</td>
        <td>6</td>
    </tr>
    <tr>
        <td>7</td>
        <td>8</td>
        <td>9</td>
    </tr>
    <tr>
        <td>10</td>
        <td>11</td>
        <td>12</td>
    </tr>
</table>
</body>
</html>